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ENGLISH
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CONNECTING YOUR SUBWOOFER
CAUTION: All power should be turned off to your system before any connections are made. Careful at-
tention should be taken to ensure that all electronic components are not connected to an AC source. Not
doing so could result in potential damage to the system.
METHOD 1
RCA – SUB IN FOR HOME THEATER OR LFE APPLICATIONS
1. On the rear of the receiver/pre-amp there should be a single RCA type jack marked "Subwoofer/Pre-Amp
Out". Connect a single RCA cable from that jack to the ➏ LINE IN (Left) on the rear of the subwoofer. A
mono male to male RCA cable is needed.
2. After connecting the single ➏ LINE IN (Left) connection, plug your subwoofer into an AC outlet. Do not
use the AC outlet on the rear of your receiver. After plugging in the unit, switch the Main Power to On.
3. See Final System Adjustments, below.
METHOD 2
RCA – LINE IN FOR STEREO APPLICATIONS
1. On the rear of the receiver/pre-amp there should be stereo (Left and Right) RCA type jacks marked "Left
and Right Pre-Amp Outputs". Connect a pair of RCA cables from those jacks to the ➏ LINE IN (Left) on
the rear of the subwoofer. A standard stereo male to male RCA cable is needed.
2. After connecting the stereo ➏ LINE IN (Left) connection, plug your subwoofer into an AC outlet. Do not
use the AC outlet on the rear of your receiver. After plugging in the unit, switch the Main Power to On.
3. See Final System Adjustments, below.
FINAL SYSTEM ADJUSTMENTS
1. After having turned on the main power switch and having broken-in the speaker, select the correct posi-
tion for the ➋ POWER, either On or Auto depending on your system. The Auto selection will leave the unit
in a self-sensing mode, such that should the unit sense an audio signal it will turn itself on and then shut
down after several minutes without signal, while in the On position the subwoofer always remains on.
Should the system not be used for an extensive period of time, it is recommended that the subwoofer be
unplugged from the AC.
2. Adjust the ➌ LEVEL of your subwoofer so that the volume of your subwoofer matches the overall system
volume. This ensures a smooth transition between the low and high frequencies of your system.
3. Adjust the ➍ LOW PASS on your subwoofer so that the frequency range of the subwoofer blends well
with that of the front speakers. Setting the crossover too low will create a gap between the frequency
response of the front speakers and that of the subwoofer, while setting the crossover frequency too high
will create a doubling of certain frequencies, making the music sound boomy. When using small satellite
speakers, the appropriate crossover frequency should be from 90 Hz to 150 Hz, for the bookshelf speak-
ers 70 Hz to 90 Hz and for the large floor-standing speakers 40 Hz to 70 Hz.
4. Adjust the ➎ PHASE so that the subwoofer integrates fully with the rest of your audio system. This control
ensures that the subwoofer operates in phase with the rest of the system, an out of phase subwoofer will
either sound like it is lacking in bass performance or that its timing is off. This setting will be determined
by your listening position, the characteristics of your listening room and its interaction with your subwoofer.
An out of phase speaker means that the speaker cone is moving inwards when it should be moving
outwards, like the other speakers in your system, causing cancellations of certain frequencies. By adjusting
the phase control, one can ensure that all speakers move in the proper direction, at the same time.
5. Steps 2, 3 and 4 might require repeating in order to fine tune your system. Ensuring the proper blending
between the speakers and the subwoofer is critical to the performance of your system, as a whole.
4
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